Opioid-induced constipation in patients with cancer pain in Japan (OIC-J study): a post hoc subgroup analysis of patients with gastrointestinal cancer

[11] Wee B(2011)The bowel function index for evaluating constipation in pain patients: definition of a reference range for a non-constipated population of pain patients J Int Med Res 39 41-1111

[12] Moore RA(1997)Stool form scale as a useful guide to intestinal transit time Scand J Gastroenterol 32 920-551

[13] Rumman A(1999)Psychometric validation of a constipation symptom assessment questionnaire Scand J Gastroenterol 34 870-1395

[14] Gallinger ZR(2017)The PAC-SYM questionnaire for chronic constipation: defining the minimal important difference Aliment Pharmacol Ther 46 1103-S21

[15] Liu LWC(2005)Development and validation of the patient assessment of constipation quality of life questionnaire Scand J Gastroenterol 40 540-294

[16] Müller-Lissner S(2014)Emerging treatments in neurogastroenterology: a multidisciplinary working group consensus statement on opioid-induced constipation Neurogastroenterol Motil 26 1386-125

[17] Bassotti G(2015)Opioid-induced constipation Pain Med 16 S16-undefined

[18] Coffin B(2014)Information on risk of constipation for Danish users of opioids, and their laxative use Int J Clin Pharm 36 291-undefined

[19] Lacy BE(2018)Diagnosis, assessment and management of constipation in advanced cancer: ESMO clinical practice guidelines Ann Oncol 29 111-undefined

[20] Mearin F(undefined)undefined undefined undefined undefined-undefined

[11] Wee B(2011)The bowel function index for evaluating constipation in pain patients: definition of a reference range for a non-constipated population of pain patients J Int Med Res 39 41-1111

[12] Moore RA(1997)Stool form scale as a useful guide to intestinal transit time Scand J Gastroenterol 32 920-551

[13] Rumman A(1999)Psychometric validation of a constipation symptom assessment questionnaire Scand J Gastroenterol 34 870-1395

[14] Gallinger ZR(2017)The PAC-SYM questionnaire for chronic constipation: defining the minimal important difference Aliment Pharmacol Ther 46 1103-S21

[15] Liu LWC(2005)Development and validation of the patient assessment of constipation quality of life questionnaire Scand J Gastroenterol 40 540-294

[16] Müller-Lissner S(2014)Emerging treatments in neurogastroenterology: a multidisciplinary working group consensus statement on opioid-induced constipation Neurogastroenterol Motil 26 1386-125

[17] Bassotti G(2015)Opioid-induced constipation Pain Med 16 S16-undefined

[18] Coffin B(2014)Information on risk of constipation for Danish users of opioids, and their laxative use Int J Clin Pharm 36 291-undefined

[19] Lacy BE(2018)Diagnosis, assessment and management of constipation in advanced cancer: ESMO clinical practice guidelines Ann Oncol 29 111-undefined

[20] Mearin F(undefined)undefined undefined undefined undefined-undefined